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Cutting rubbers' technique ... |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Posted: 10/15/2010 at 9:05pm |
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Do you have a special technique when you cut a new sheet ?
Edited by Pioneer - 10/15/2010 at 10:02pm |
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Baal
Forum Moderator Joined: 01/21/2010 Location: unknown Status: Offline Points: 14335 |
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I use a type of scissors (very sharp) designed for cutting carpet pads.
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JasonRShaver
Beginner Joined: 02/19/2010 Location: Chicago Status: Offline Points: 55 |
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I cut about 20-30 rubbers a week for the store (www.ttxonline.com) and I use a Killerspin cutting board, a #4 scalpel with a long thin blade with rounded tip (#35 or something like that). The trick to getting a fast, clean cut is to start on one end with the blade about 30-40 degrees to the cutting board and trying to 'bend' the knife around the wood of the blade. Don't press too hard, expect to take 2 to 5 laps around it.
I should make a video. I know some people use scalpels that look like exact-o knifes (with a point), but I find that I only get 4-5 cuts before it is a throw away, sometimes less. With the method above, a single blade lasts 30+ cuts. Also, Chinese rubbers can be VERY annoying to cut (729 Super FX and the old Galaxy Mercury for example), but ones like Yasaka Pryde are easy. I have tried 4 types of scissors, but never had any luck getting it perfect. It ends up looking like you cut it yourself. With the scalpel, it looks like it came out of the package that way. Also, one last tip, NEVER try to 'clean up' the edges when you make a mistake. You will just make it worse.
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Wow Thank you JasonRShaver very helpful tips indeed, specially the last one, I can tell you should make a video about that really will be a great job but let me know about it I have a friend who uses a cutter skillfully, actually he has cut my Yasaka GPS and it was a masterpiece, but I use scissors only and wanna develop another technique like scalpel ... But I have got you two questions: How to trim a rubber on another blade which is not originally cut for, is it better to cut a rubber precisely or just leave a little bit margin 2mm for example?
Edited by Pioneer - 10/16/2010 at 8:40am |
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Sallom89
Gold Member Joined: 05/19/2009 Location: Kuwait Status: Offline Points: 1925 |
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I've made a topic and a vid about it here: http://mytabletennis.net/forum/forum_posts.asp?TID=37311&PN=1#459207
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Member of Wang Hao fan club.
Hurricane Hao III FH: Thors RPB: Omega Pro |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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thanx a lot
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JasonRShaver
Beginner Joined: 02/19/2010 Location: Chicago Status: Offline Points: 55 |
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If you have more than 4mm to work with, it should be easy, less than 2mm and you just have to expect it will not be perfect. If the profile is one where part of it is less than 2mm and part is greater, just expect the transition point may look a little rough.
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dragon kid
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'Nobody is Perfect. I am Nobody' |
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Sallom89
Gold Member Joined: 05/19/2009 Location: Kuwait Status: Offline Points: 1925 |
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You r welcomed !
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Member of Wang Hao fan club.
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Congrats, you've got a hand of a surgeon
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Phot0n
Super Member Joined: 09/17/2010 Location: Oregon Status: Offline Points: 149 |
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I completely agree with JasonRShaver. Maybe his last name should be "Cutter" or "Trimmer" instead :)
I can get rubbers to look nearly as good as with a blade, and rounded blades last longer and seem better suited for the multiple laps you need to do. Yeah, some of the Chinese rubbers are really hard to cut. With scissors its even worse. It's enough that the tips will bend apart and not cut at all. --Phot0n |
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Palio TC6 | Globe 999T FH & BH Palio TCT | Hadou FH, HK1997 BH Galaxy T-4 | 729 Focus-II FH & BH |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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you know it's really bothering me when I re-glue the rubber, usually miss putting the rubber precisely, only by fraction from here or there
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raphyelrosby
Super Member Joined: 03/22/2010 Location: United States Status: Offline Points: 384 |
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I usually just get some sharp scissors and voila, but I don't really care if it looks good, just never bothered to worry about it.
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Xiom Hayabusa ZX, Sigma II pro on FH, Vega Elite BH.
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Phot0n
Super Member Joined: 09/17/2010 Location: Oregon Status: Offline Points: 149 |
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I'm a bit of a perfectionist... I can deal with some imperfections on my rubber trim... but not re-gluing my rubber back on perfectly is like an OCD nightmare for me.
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Palio TC6 | Globe 999T FH & BH Palio TCT | Hadou FH, HK1997 BH Galaxy T-4 | 729 Focus-II FH & BH |
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mhnh007
Platinum Member Joined: 11/17/2009 Status: Offline Points: 2800 |
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If the margin is too small says 1mm, then it is hard to trim. It's better that you trace it first, cut then re-glue. |
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mmerkel
Silver Member Joined: 01/02/2010 Location: Canada Status: Offline Points: 746 |
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I heard from a member who cuts the rubbers roughly to shape at first and then uses (very carefully) a stationary belt sander to trim off the overhang.
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#2 RL Avalanche#2 -Bluefire M2 -Sigma Europe #3 Primorac -Boost TP -Magna TC |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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very weird technique indeed, and have you tried that yourself ?
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mmerkel
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I have tried to clean up a bad cut with a random orbital sander, but there was so much sponge dust and rubber pieces flying about that I needed a change of clothes afterwards. But the rubber edge looked really nice. Might work better with the right equipment tho.
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EZRO
Silver Member Joined: 10/18/2010 Location: Philippines Status: Offline Points: 500 |
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All I use is a Knife Cutter, I got from a local bookstore. I've been using it for more than 10 years :D
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icontek
Premier Member This is FPS Doug Joined: 10/31/2006 Location: Maine, US Status: Offline Points: 5222 |
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Yep! It was so bad for a while that I would wind up using extra coats of rubber cement on the blade between ripping and resetting to fix a 1mm overhang or underhang issue. Who am I kidding, I still do that. Although with water glue, it's like a half hour mistake instead of a 5 minute fix. And great video to Sallom! |
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Thaidog
Gold Member Joined: 01/09/2006 Location: United States Status: Offline Points: 1661 |
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I use the killerspin cutting board with the exacto like blades sold at PP. Do not use exacto brand blades is the best advice I can give... their edges are not sharp enough and do not give a clean cut.
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Timo ALC FL
Tibhar Grip S MAx Tenergy 64 FX National 2.1mm He never boosts... of course he never had to... |
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Sallom89
Gold Member Joined: 05/19/2009 Location: Kuwait Status: Offline Points: 1925 |
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Thanks! my thread is lost by now lol
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Member of Wang Hao fan club.
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Yeah it's really a messy thing ... but does this method apply to soft rubbers ?
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JasonRShaver
Beginner Joined: 02/19/2010 Location: Chicago Status: Offline Points: 55 |
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You know, I first tried to do it with a Mach 3...
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mmerkel
Silver Member Joined: 01/02/2010 Location: Canada Status: Offline Points: 746 |
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This works (except for the mess) with any type of rubber I have tried...mostly euro/jap soft sponge. |
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#1 RL Balance -Bluefire M2 -Acuda S2
#2 RL Avalanche#2 -Bluefire M2 -Sigma Europe #3 Primorac -Boost TP -Magna TC |
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Phot0n
Super Member Joined: 09/17/2010 Location: Oregon Status: Offline Points: 149 |
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Ok, I'm just gunna throw it out there... has anyone every tried using a soldering iron or some type of heated blade to melt the rubber? It seems like it would leave a smooth cut, but it also could cause scorch marks on your rubber or even wood. And maybe a few harmful gasses... but... has it been done? Maybe after a cut to smooth it out? Flame away ;)
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Palio TC6 | Globe 999T FH & BH Palio TCT | Hadou FH, HK1997 BH Galaxy T-4 | 729 Focus-II FH & BH |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Never heard something like that, and I think it could sabotage the rubber and make a really nasty smell as we're dealing here with rubber not a plastic thing ...
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wkm1
Super Member Joined: 09/12/2009 Location: Canada Status: Offline Points: 206 |
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Quote:...I heard from a member who cuts the rubbers roughly to shape at first and then uses (very carefully) a stationary belt sander to trim off the overhang.....
That was possibly me . Never had a problem, smooth edges only have to blow off aftwerwards the fine rubber dust. And do it longitudal, not across the Blade. Works on European, Japenese and Chines rubber. Since my main hobby is Modelairplanes I have all the other tolls mentioned her in this tread and more ( eg Special scissors for kevlar fibre), but the stationary beltsander delivers the cleanest cut. Cheers T
Edited by wkm1 - 10/23/2010 at 7:45pm |
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Pioneer
Silver Member Joined: 06/03/2010 Location: Egypt Status: Offline Points: 866 |
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Have you tried Phot0n's mentioned method ?
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wkm1
Super Member Joined: 09/12/2009 Location: Canada Status: Offline Points: 206 |
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Yes, I have 3 different soldering irons and used some rubber cut off pieces for a trial.
1. the smell is bad 2 the cut wasn't cleaner sharper as with the band grinder.
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